diff options
Diffstat (limited to 'residency~.c')
| -rw-r--r-- | residency~.c | 592 |
1 files changed, 592 insertions, 0 deletions
diff --git a/residency~.c b/residency~.c new file mode 100644 index 0000000..6e84938 --- /dev/null +++ b/residency~.c @@ -0,0 +1,592 @@ +#include "MSPd.h"
+#include "fftease.h"
+
+#if MSP
+void *residency_class;
+#endif
+
+#if PD
+static t_class *residency_class;
+#endif
+
+#define OBJECT_NAME "residency~"
+
+typedef struct _residency
+{
+#if MSP
+ t_pxobject x_obj;
+#endif
+#if PD
+ t_object x_obj;
+ float x_f;
+#endif
+ int R;
+ int N;
+ int N2;
+ int Nw;
+ int Nw2;
+ int D;
+ int i;
+ int inCount;
+ float *Wanal;
+ float *Wsyn;
+ float *input;
+ float *Hwin;
+ float *buffer;
+ float *channel;
+ float *output;
+ float **loveboat;
+ float current_frame;
+ int framecount;
+ //
+ float frame_increment ;
+ float fpos;
+ float last_fpos;
+ float tadv;
+ // for convert
+ float *c_lastphase_in;
+ float *c_lastphase_out;
+ float c_fundamental;
+ float c_factor_in;
+ float c_factor_out;
+ // faster fft
+ float mult;
+ float *trigland;
+ int *bitshuffle;
+ int read_me;
+ int frames_read;
+ // int MAXFRAMES;
+ short mute;
+ short virgin;
+ short playthrough;
+ short in2_connected;
+ short in3_connected;
+ int overlap;
+ int winfac;
+ int hopsize;
+ // int windowsize;
+ float duration;
+ short lock;
+ short verbose;
+ short override;
+ float *input_vec;
+ float sync;
+} t_residency;
+
+void *residency_new(t_symbol *s, int argc, t_atom *argv);
+t_int *residency_perform(t_int *w);
+void residency_dsp(t_residency *x, t_signal **sp, short *count);
+void residency_assist(t_residency *x, void *b, long m, long a, char *s);
+void residency_bangname(t_residency *x) ;
+void residency_fftinfo(t_residency *x) ;
+void residency_playthrough( t_residency *x, t_floatarg tog) ;
+void residency_float(t_residency *x, double f) ;
+void residency_mute(t_residency *x, t_floatarg tog);
+void residency_free(t_residency *x);
+void residency_init(t_residency *x, short initialized);
+void residency_size(t_residency *x, t_floatarg newsize);
+void residency_winfac(t_residency *x, t_floatarg factor);
+void residency_overlap(t_residency *x, t_floatarg o);
+void residency_verbose(t_residency *x, t_floatarg t);
+void residency_acquire_sample(t_residency *x);
+void residency_meminfo( t_residency *x );
+
+#if MSP
+void main(void)
+{
+ setup((t_messlist **)&residency_class, (method)residency_new, (method)residency_free,
+ (short)sizeof(t_residency), 0L, A_GIMME,0);
+ addmess((method)residency_dsp, "dsp", A_CANT, 0);
+ addmess((method)residency_assist,"assist",A_CANT,0);
+ addfloat((method)residency_float);
+ addbang((method)residency_bangname);
+ addmess((method)residency_mute, "mute", A_FLOAT, 0);
+ addmess((method)residency_fftinfo, "fftinfo", 0);
+ addmess((method)residency_meminfo, "meminfo", 0);
+ addmess((method)residency_playthrough, "playthrough", A_DEFFLOAT, 0);
+ addmess((method)residency_size, "size", A_DEFFLOAT, 0);
+ addmess((method)residency_overlap, "overlap", A_DEFFLOAT, 0);
+ addmess((method)residency_winfac, "winfac", A_DEFFLOAT, 0);
+ addmess((method)residency_verbose, "verbose", A_DEFFLOAT, 0);
+ dsp_initclass();
+ post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+#if PD
+void residency_tilde_setup(void)
+{
+ residency_class = class_new(gensym("residency~"), (t_newmethod)residency_new,
+ (t_method)residency_free ,sizeof(t_residency), 0,A_GIMME,0);
+ CLASS_MAINSIGNALIN(residency_class, t_residency, x_f);
+ class_addmethod(residency_class,(t_method)residency_dsp,gensym("dsp"),0);
+ class_addmethod(residency_class,(t_method)residency_mute,gensym("mute"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_fftinfo,gensym("fftinfo"),0);
+ class_addmethod(residency_class,(t_method)residency_meminfo,gensym("meminfo"),0);
+ class_addmethod(residency_class,(t_method)residency_playthrough,gensym("playthrough"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_size,gensym("size"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_overlap,gensym("overlap"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_winfac,gensym("winfac"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_verbose,gensym("verbose"),A_FLOAT,0);
+ class_addmethod(residency_class,(t_method)residency_acquire_sample,gensym("acquire_sample"),0);
+ post("%s %s",OBJECT_NAME,FFTEASE_ANNOUNCEMENT);
+}
+#endif
+
+void residency_meminfo( t_residency *x )
+{
+ post("%d frames in buffer", x->framecount);
+ post("frame_duration: %f, actual time in buffer: %f", x->tadv, (float)(x->framecount) * x->tadv);
+
+}
+
+void residency_overlap(t_residency *x, t_floatarg f)
+{
+ int i = (int) f;
+ if(!power_of_two(i)){
+ error("%f is not a power of two",f);
+ return;
+ }
+ x->overlap = i;
+ residency_init(x,1);
+}
+
+void residency_winfac(t_residency *x, t_floatarg f)
+{
+ int i = (int)f;
+
+ if(!power_of_two(i)){
+ error("%f is not a power of two",f);
+ return;
+ }
+ x->winfac = i;
+ // post("called winfac");
+ residency_init(x,2);
+}
+
+void residency_fftinfo(t_residency *x)
+{
+ if( ! x->overlap ){
+ post("zero overlap!");
+ return;
+ }
+ post("%s: FFT size %d, hopsize %d, windowsize %d", OBJECT_NAME, x->N, x->N/x->overlap, x->Nw);
+}
+
+void residency_verbose(t_residency *x, t_floatarg t)
+{
+ x->verbose = t;
+}
+
+void residency_size(t_residency *x, t_floatarg newsize)
+{
+ //protect with DACs off?
+
+ if(newsize > 0.0){//could be horrendous size, but that's the user's problem
+ x->duration = newsize/1000.0;
+ residency_init(x,1);
+ }
+}
+
+void residency_playthrough (t_residency *x, t_floatarg tog)
+{
+ x->playthrough = tog;
+}
+
+void residency_free(t_residency *x){
+ int i ;
+#if MSP
+ dsp_free((t_pxobject *)x);
+#endif
+ for(i = 0; i < x->framecount; i++){
+ freebytes(x->loveboat[i],0) ;
+ }
+ freebytes(x->loveboat,0);
+ freebytes(x->c_lastphase_in,0);
+ freebytes(x->c_lastphase_out,0);
+ freebytes(x->trigland,0);
+ freebytes(x->bitshuffle,0);
+ freebytes(x->Wanal,0);
+ freebytes(x->Wsyn,0);
+ freebytes(x->input,0);
+ freebytes(x->Hwin,0);
+ freebytes(x->buffer,0);
+ freebytes(x->channel,0);
+ freebytes(x->output,0);
+}
+
+
+
+void residency_init(t_residency *x, short initialized)
+{
+ int i;
+
+ int last_framecount = x->framecount;
+ x->lock = 1;
+ x->virgin = 1;
+
+ if(!x->winfac)
+ x->winfac = 1;
+ if(!x->overlap)
+ x->overlap = 4;
+ if(!x->R)
+ x->R = 44100;
+ if(!x->D)
+ x->D = 256;
+ x->N = x->D * x->overlap;
+ x->Nw = x->N * x->winfac;
+ limit_fftsize(&x->N,&x->Nw,OBJECT_NAME);
+ x->N2 = (x->N)>>1;
+ x->Nw2 = (x->Nw)>>1;
+ x->inCount = -(x->Nw);
+ x->mult = 1. / (float) x->N;
+ x->current_frame = 0;
+ x->fpos = x->last_fpos = 0;
+ x->tadv = (float)x->D/(float)x->R;
+ x->c_fundamental = (float)x->R/((x->N2)<<1);
+ x->c_factor_in = (float) x->R/((float)x->D * TWOPI);
+ x->c_factor_out = TWOPI * (float)x->D / (float)x->R;
+
+ if( x->duration <= 0 ){
+ x->duration = 1.0;
+ }
+
+ x->framecount = x->duration / x->tadv ;
+ x->hopsize = x->N / x->overlap;
+ x->read_me = 0;
+
+ if(!initialized){
+ x->sync = 0;
+ x->mute = 0;
+ x->in2_connected = 0;
+ x->in3_connected = 0;
+ x->playthrough = 0;
+ x->frame_increment = 1.0;
+ x->verbose = 0;
+
+
+ x->Wanal = (float *) getbytes( (MAX_Nw) * sizeof(float));
+ x->Wsyn = (float *) getbytes( (MAX_Nw) * sizeof(float));
+ x->Hwin = (float *) getbytes( (MAX_Nw) * sizeof(float));
+ x->input = (float *) getbytes( MAX_Nw * sizeof(float) );
+ x->output = (float *) getbytes( MAX_Nw * sizeof(float) );
+ x->buffer = (float *) getbytes( MAX_N * sizeof(float) );
+ x->channel = (float *) getbytes( (MAX_N+2) * sizeof(float) );
+ x->bitshuffle = (int *) getbytes( MAX_N * 2 * sizeof( int ) );
+ x->trigland = (float *) getbytes( MAX_N * 2 * sizeof( float ) );
+ x->c_lastphase_in = (float *) getbytes( (MAX_N2+1) * sizeof(float) );
+ x->c_lastphase_out = (float *) getbytes( (MAX_N2+1) * sizeof(float) );
+
+ x->input_vec = (float *) getbytes(8192 * sizeof(float));
+ x->loveboat = (float **) getbytes(x->framecount * sizeof(float *));
+ for(i=0;i<x->framecount;i++){
+ x->loveboat[i] = (float *) getbytes(((x->N)+2) * sizeof(float));
+ if(x->loveboat[i] == NULL){
+ error("memory error");
+ return;
+ }
+ memset((char *)x->loveboat[i],0,(x->N+2)*sizeof(float));
+ }
+ } else if(initialized == 1){
+
+ for(i = 0; i < last_framecount; i++){
+ freebytes(x->loveboat[i],0) ;
+ }
+ freebytes(x->loveboat,0);
+ x->loveboat = (float **) getbytes(x->framecount * sizeof(float *));
+ for(i=0;i<x->framecount;i++){
+ x->loveboat[i] = (float *) getbytes((x->N+2) * sizeof(float));
+ if(x->loveboat[i] == NULL){
+ error("memory error");
+ return;
+ }
+ memset((char *)x->loveboat[i],0,(x->N+2)*sizeof(float));
+ }
+ }
+ memset((char *)x->input,0,x->Nw * sizeof(float));
+ memset((char *)x->output,0,x->Nw * sizeof(float));
+ memset((char *)x->c_lastphase_in,0,(x->N2+1) * sizeof(float));
+ memset((char *)x->c_lastphase_out,0,(x->N2+1) * sizeof(float));
+
+ makewindows( x->Hwin, x->Wanal, x->Wsyn, x->Nw, x->N, x->D);
+ init_rdft( x->N, x->bitshuffle, x->trigland);
+
+ x->lock = 0;
+}
+
+void *residency_new(t_symbol *s, int argc, t_atom *argv)
+{
+#if MSP
+ t_residency *x = (t_residency *)newobject(residency_class);
+ dsp_setup((t_pxobject *)x,3);
+ outlet_new((t_pxobject *)x, "signal");
+ outlet_new((t_pxobject *)x, "signal");
+#endif
+
+#if PD
+ t_residency *x = (t_residency *)pd_new(residency_class);
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd,gensym("signal"), gensym("signal"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd,gensym("signal"), gensym("signal"));
+ outlet_new(&x->x_obj, gensym("signal"));
+ outlet_new(&x->x_obj, gensym("signal"));
+#endif
+ // x->x_obj.z_misc |= Z_NO_INPLACE;
+ x->duration = atom_getfloatarg(0,argc,argv)/1000.0;
+ x->overlap = atom_getfloatarg(1,argc,argv);
+ x->winfac = atom_getfloatarg(2,argc,argv);
+
+ x->D = sys_getblksize();
+ x->R = sys_getsr();
+
+ residency_init(x,0);
+
+ return (x);
+}
+
+t_int *residency_perform(t_int *w)
+{
+ int i, j;
+ float sample;
+
+ //////////////////////////////////////////////
+ t_residency *x = (t_residency *) (w[1]);
+ t_float *in = (t_float *)(w[2]);
+ t_float *increment = (t_float *)(w[3]);
+ t_float *position = (t_float *)(w[4]);
+ t_float *out = (t_float *)(w[5]);
+ t_float *vec_sync = (t_float *) (w[6]);
+ t_int n = w[7];
+
+ int inCount = x->inCount;
+ int R = x->R;
+ int N = x->N;
+ int N2 = x->N2;
+ int D = x->D;
+ int Nw = x->Nw;
+ float *Wanal = x->Wanal;
+ float *Wsyn = x->Wsyn;
+ float *input = x->input;
+ float *output = x->output;
+ float *buffer = x->buffer;
+ float *channel = x->channel;
+ float *input_vec = x->input_vec;
+ float fframe = x->current_frame ;
+ float last_fpos = x->last_fpos ;
+ int framecount = x->framecount;
+ float fincr = x->frame_increment;
+ float fpos = x->fpos;
+ float mult = x->mult;
+ int *bitshuffle = x->bitshuffle;
+ float *trigland = x->trigland ;
+ float *c_lastphase_in = x->c_lastphase_in;
+ float *c_lastphase_out = x->c_lastphase_out;
+ float c_fundamental = x->c_fundamental;
+ float c_factor_in = x->c_factor_in;
+ float c_factor_out = x->c_factor_out;
+ float sync = x->sync;
+
+ if(x->lock || x->mute){
+ while(n--){
+ *out++ = 0.0;
+ *vec_sync++ = sync;
+ }
+ return (w+8);
+ }
+
+#if MSP
+ if (x->in2_connected) {
+ fincr = *increment;
+ }
+ if (x->in3_connected) {
+ fpos = *position;
+ }
+#endif
+
+#if PD
+ fincr = *increment;
+ fpos = *position;
+#endif
+
+ inCount += D;
+
+ for(i = 0; i < D; i++){
+ input_vec[i] = in[i];
+ }
+ if(x->read_me) {
+ for ( j = 0 ; j < Nw - D ; j++ ){
+ input[j] = input[j+D];
+ }
+ for (i = 0,j = Nw - D; j < Nw; j++, i++) {
+ input[j] = input_vec[i];
+ }
+ if(framecount > 0)
+ sync = (float)x->frames_read/(float)framecount;
+
+
+ if( x->playthrough ){
+ for ( i = 0, j = Nw - D; j < Nw; j++, i++ ) {
+ out[i] = input_vec[i] * 0.5;
+ vec_sync[i] = sync;
+ }
+ }
+ else {
+ for ( j = 0; j < D; j++ ){
+ out[j] = 0.0;
+ vec_sync[j] = sync;
+ }
+ }
+
+ fold(input, Wanal, Nw, buffer, N, inCount);
+ rdft(N, 1, buffer, bitshuffle, trigland);
+
+
+ if(x->frames_read >= framecount){
+ x->read_me = 0;
+ if(x->verbose){
+ post("residency: data acquisition completed");
+ }
+ } else {
+ convert(buffer, x->loveboat[(x->frames_read)++], N2, c_lastphase_in, c_fundamental, c_factor_in);
+ }
+ x->virgin = 0;
+ }
+ else if(x->playthrough && x->virgin){
+ for(i=0;i<D;i++){
+ sync = 0;
+ sample = input_vec[i] * 0.5;
+ out[i] = sample;
+ vec_sync[i] = sync;
+ }
+ }
+ else {
+ //sync = 1.0;
+
+ if(fpos < 0)
+ fpos = 0;
+ if(fpos > 1)
+ fpos = 1;
+ if(fpos != last_fpos){
+ fframe = fpos * (float) framecount ;
+ last_fpos = fpos;
+ }
+
+
+ fframe += fincr;
+ while(fframe >= framecount) {
+ fframe -= framecount;
+ }
+ while( fframe < 0. ) {
+ fframe += framecount ;
+ }
+
+ unconvert(x->loveboat[(int) fframe ], buffer, N2, c_lastphase_out, c_fundamental, c_factor_out);
+
+ rdft( N, -1, buffer, bitshuffle, trigland );
+ overlapadd( buffer, N, Wsyn, output, Nw, inCount );
+
+ for(i = 0; i < D; i++){
+ vec_sync[i] = sync;
+ }
+ for ( j = 0; j < D; j++ ){
+ out[j] = output[j] * mult;
+ }
+ for ( j = 0; j < Nw - D; j++ ){
+ output[j] = output[j+D];
+ }
+
+ for ( j = Nw - D; j < Nw; j++ ){
+ output[j] = 0.;
+ }
+
+ }
+
+ /* restore state variables */
+
+ x->inCount = inCount % Nw;
+ x->current_frame = fframe;
+ x->frame_increment = fincr;
+ x->fpos = fpos;
+ x->last_fpos = last_fpos;
+ x->sync = sync;
+ return (w+8);
+}
+
+#if MSP
+void residency_float(t_residency *x, double f) // Look at floats at inlets
+{
+ int inlet = x->x_obj.z_in;
+
+ if (inlet == 1)
+ {
+ x->frame_increment = f;
+ }
+ else if (inlet == 2)
+ {
+ if (f < 0 ){
+ f = 0;
+ } else if(f > 1) {
+ f = 1.;
+ }
+ x->fpos = f;
+
+ }
+}
+#endif
+
+void residency_acquire_sample(t_residency *x)
+{
+ x->read_me = 1;
+ x->frames_read = 0;
+ post("beginning spectral data acquisition");
+ return;
+}
+
+void residency_bangname (t_residency *x)
+{
+ x->read_me = 1;
+ x->frames_read = 0;
+ if(x->verbose)
+ post("beginning spectral data acquisition");
+ return;
+}
+
+void residency_mute(t_residency *x, t_floatarg tog)
+{
+ x->mute = tog;
+}
+
+void residency_dsp(t_residency *x, t_signal **sp, short *count)
+{
+#if MSP
+ x->in2_connected = count[1];
+ x->in3_connected = count[2];
+#endif
+
+ if(x->R != sp[0]->s_sr || x->D != sp[0]->s_n){
+ x->R = sp[0]->s_sr;
+ x->D = sp[0]->s_n;
+ if(x->verbose)
+ post("new vsize: %d, new SR:%d",x->D,x->R);
+ residency_init(x,1);
+ }
+
+ dsp_add(residency_perform, 7, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec,
+ sp[3]->s_vec, sp[4]->s_vec, sp[0]->s_n);
+}
+
+void residency_assist(t_residency *x, void *b, long msg, long arg, char *dst)
+{
+ if (msg==1) {
+ switch (arg) {
+ case 0: sprintf(dst,"(signal/bang) Input, Sampling Trigger"); break;
+ case 1: sprintf(dst,"(signal/float) Frame Increment");break;
+ case 2:sprintf(dst,"(signal/float) Frame Position [0-1]");break;
+
+ }
+ } else if (msg==2) {
+ switch(arg){
+ case 0: sprintf(dst,"(signal) Output"); break;
+ case 1: sprintf(dst,"(signal) Recording Sync"); break;
+ }
+ }
+}
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